CN106534373A - IO performance test method and apparatus of SAN storage device - Google Patents
IO performance test method and apparatus of SAN storage device Download PDFInfo
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- CN106534373A CN106534373A CN201611227923.6A CN201611227923A CN106534373A CN 106534373 A CN106534373 A CN 106534373A CN 201611227923 A CN201611227923 A CN 201611227923A CN 106534373 A CN106534373 A CN 106534373A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1097—Protocols in which an application is distributed across nodes in the network for distributed storage of data in networks, e.g. transport arrangements for network file system [NFS], storage area networks [SAN] or network attached storage [NAS]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
Abstract
The invention discloses an IO performance test method of an SAN storage device. The method comprises the following steps: the storage device creates a plurality of logic unit numbers LUN and respectively mounts the logic unit numbers on a plurality of test clients; an IO performance test tool is installed in a control client, and load generators are installed in the test clients; the control client communicates with the test clients; and the control client configures the load generators through the IO performance test tool, and the load generators executes corresponding IO operations. The invention further discloses an IO performance test apparatus of the SAN storage device. The IO performance test apparatus comprises a LUN creation module, a test tool installation module and a load generator configuration module. According to the IO performance test method and apparatus disclosed by the invention, IO access simulating actual application scenes are concurrently executed on different test clients to obtain a performance test value closer to the actual situation, so that a user can accurately and flexibly select storage devices with different properties according to different applications.
Description
Technical field
The present invention relates to the technical field of performance test of storage device, more particularly to a kind of IO of SAN storage devices
Can method of testing and device.
Background technology
The English full name of SAN is Storage Area Network, i.e. storage area network.It is a kind of express network or
Sub-network, there is provided the data transfer between computer and storage system.Storage device refers to one or more to store meter
The disk unit of calculation machine data.One SAN network by responsible network connection communication structure, be responsible for tissue connection management level,
Memory unit and computer system are constituted, so as to ensure safety and the dynamics of data transfer.SAN supports disk mirroring
(disk mirroring), backup and recovery (backup and restore), the archive of file data and retrieval, storage device
Between Data Migration and network in the function such as data sharing between different server.In addition SAN can be also used for merging subnet
With network attached storage (NAS:Network-attached storage) system.
With the continuous maturation of SAN storage architectures, the species of SAN storage devices is also increasingly enriched, used as a storage
Product, IO performances are to weigh an important indicator of its quality, so in the urgent need to a kind of side of test storage IO performance
Method.Iometer is a the increasing income of Intel Company's exploitation, for the I/O subsystem performance test in single or group system
Instrument.Iometer is mainly based upon Windows operating systems, and the readwrite performance of storage subsystem can be surveyed
Examination.Iometer can show the maximum IO abilities of disk system, the maximum throughput of disk system, CPU usage, mistake letter
Breath etc..The load IO of Iometer is, based on data block, to be mainly used in testing the performance of physical equipment, be relatively more suitable for test
SAN storage devices.
Traditional storing performance testing method only carries out the maximum number of times for being written and read operation per second to single LUN
（Input/Output Operations Per Second, IOPS）Or the test of maximum bandwidth, and storage device is weighed with this
Performance, but SAN storages are often used for cluster file system, and multiple stage client computer accesses the situation of storage simultaneously, and according to visitor
The service that family machine is provided is different, and the conclusion that actual IO performances are given with traditional method of testing has larger difference.
The content of the invention
It is an object of the present invention to provide the IO performance test methods and device of a kind of SAN storage devices, which is in different test visitors
The I O access of simulation practical application scene is performed on the machine of family concurrently, to draw closer to actual performance test value, so as to visitor
The storage device of different qualities is accurately chosen for different applications flexibly in family.
To achieve these goals, the present invention adopts following technical scheme：
A kind of IO performance test methods of SAN storage devices, comprise the following steps：
Storage device creates multiple LUN LUN, and carry tests client computer in multiple stage respectively；
Control client computer installs IO performance testing tools, tests client computer installation load maker；
Control client computer and test client computer are communicated；
Control client computer performs corresponding I/O operation by IO performance testing tool configuration load makers, workload generator.
Preferably, storage device creates multiple LUN, and difference carry is before multiple stage test client computer, including following step
Suddenly：
The memory space of storage device is discharged；
Re-create disk array RAID；
Storage pool is created, the RAID for having created is added in storage pool；
Multiple LUN are created in storage pool.
Preferably, the size of LUN is the twice of storage device caching to five times.
Preferably, RAID is re-created, is further included：According to all RAID of the different coverings of type that storage device is supported
Rank.
Preferably, the IO performance testing tools are based on Windows operating system.
Preferably, the control client computer adopts Windows operating system, is denoted as Windows client；The test visitor
Family machine adopts (SuSE) Linux OS, is denoted as Linux client computer.
Preferably, LUN tests client computer in multiple stage using interface protocol difference carry.
The present invention also provides a kind of IO performance testing devices of SAN storage devices, including：
LUN creation modules, for creating multiple LUN in storage device, and carry tests client computer in multiple stage respectively；
Testing tool installs module, for installing IO performance testing tools in control client computer, installs in test client computer
Workload generator；
Workload generator configuration module, for controlling client computer by IO performance testing tool configuration load makers, load life
Grow up to be a useful person and perform corresponding I/O operation.
Preferably, also include：RAID rebuilds module, for re-creating RAID.
Preferably, also include：Storage pool creation module, for creating storage pool, adds storage pool the RAID for having created
In.
Compared with prior art, the present invention has advantages below：
By creating multiple LUN for test in storage device, these LUN difference carries test client in multiple stage to the present invention
Machine, these LUN are created using different RAIDs, to simulate practical application scene.In control client computer install and transport
Row IO testing tools, and using control client computer as the terminal for configuring each test client computer IO mode, and collect test data
Terminal.Install and run workload generator in each test client computer.Control client computer configuration load maker performs simulation not
With the I/O load of application scenarios, concurrent reading and writing test is carried out to storage device, finally the test result to exporting is analyzed.It is logical
Cross above procedure, the present invention changes traditional method for only test performance being carried out to single disk, make many in whole cluster
Platform test client computer concurrently accesses storage device, and simulates different IO scenes client computer is tested per platform, is obtained more with this
Plus accurate IO performance datas, the storage devices different such that it is able to be directed to different application selections, set storage is given full play to
It is cost-effective on the premise of standby performance.
Description of the drawings
Fig. 1 is a kind of one of structural representation of IO performance testing devices of SAN storage devices of the invention；
Fig. 2 is a kind of one of schematic flow sheet of IO performance test methods of SAN storage devices of the invention；
Fig. 3 is the two of the structural representation of the IO performance testing devices of a kind of SAN storage devices of the invention；
Fig. 4 is the two of the schematic flow sheet of the IO performance test methods of a kind of SAN storage devices of the invention.
Specific embodiment
In order to make it easy to understand, the part noun to occurring in the present invention is once illustrated：
The full name of LUN is Logical Unit Number, that is, LUN.The number of devices that can be mounted in ISCSI buses
Amount is limited, generally 8 or 16, can describe these with Target ID (also having referred to as ISCSI ID's) and set
It is standby, as long as soon as equipment adds system, having a code name, when the equipment of difference, as long as saying that Target ID just can be with.
ISCSI agreements belong to session-layer protocol end to end, and what it defined is the mapping of SCSI to TCP/IP, i.e.,
SCSI command and data are packaged into ISCSI protocol Data Units by Initiator, submit to downwards TCP layer, are finally packaged into IP
Packet is transmitted on ip networks, is reduced into SCSI command and data by decapsulation after reaching Target, then by storage control
Device is sent to the driver specified, so as to realize scsi command and data transparent transmission on ip networks.It incorporates existing
Storage agreement SCSI and procotol TCP/IP, realize storage and the seamless fusion of TCP/IP networks.
Disk array (Redundant Arrays of Independent Disks, RAID), has " independent disk composition
The array with redundant ability " meaning.Disk array is, by the relatively inexpensive disk of many prices, to be combined into a capacity huge
Disk group, using indivedual disks provide data produced by the whole disk system efficiency of addition effect promoting.
With reference to the accompanying drawings and examples, the specific embodiment of the present invention is described in further detail：
Embodiment one:A kind of IO performance testing devices of SAN storage devices of the present invention are as shown in figure 1, including LUN creation modules
13rd, testing tool is installed module 14, workload generator configuration module 15, RAID and rebuilds module 11 and storage pool creation module 12.
Wherein RAID rebuilds module 11, and order installs module with storage pool creation module 12, LUN creation modules 13, testing tool successively
14th, workload generator configuration module 15 connects.
LUN creation modules 13 are for creating multiple LUN in storage device, and carry tests client computer in multiple stage respectively；Survey
Trial work tool installs module 14 for installing IO performance testing tools in control client computer, the installation load life in test client computer
Grow up to be a useful person；Workload generator configuration module 15 is used to control client computer by IO performance testing tool configuration load makers, load
Maker performs corresponding I/O operation；RAID rebuilds module 11 to be used to re-create RAID；Storage pool creation module 12 is used to create
Storage pool is built, the RAID for having created is added in storage pool.
Embodiment two：A kind of IO performance test methods of SAN storage devices of the present invention are as shown in Fig. 2 comprise the following steps：
Step S201, the memory space of storage device to be tested is discharged.
Step S202, re-creates disk array RAID, according to all RAID of the different coverings of type that storage device is supported
Rank, such as creates some RAID 0, RAID 1, RAID 5, RAID 6 and RAID 10, it is ensured that these RAID's is available big
Little difference is little.
Step S203, creates a storage pool, the RAID for having created is added in storage pool, one is formed and be can be used to create
The level of abstraction of LUN.
Step S204, creates the LUN of more than 10 in storage pool, and this example creates 20 LUN, it is ensured that these LUN's is big
The little twice for being storage device caching is to five times, it is therefore an objective to impact of the caching to disk actual performance when reducing test, to obtain
Obtain more real data.If storage device have simplify automatically, compress, the advanced feature such as AUTOMATIC ZONING, these need to be opened special
Property, to play the over-all properties of storage device.
Step S205, opens the iSCSI functions of storage device, each LUN in storage device is configured to iSCSI
Target simultaneously obtains the iqn name of each LUN.Ensure that the IP links between each Linux client computer and storage device are unimpeded,
ISCSI originating end softwares are installed in each Linux client computer, this example is used：iscsi-initiator-utils.Start originating end
Program, search for storage device on iSCSI target, using a LUN in ISCSI protocol entry storage devices, and by its
It is mapped to local.Same operation is performed to remaining Linux client computer.Linux client computer at least needs configuration 10, this example
Using 20, to simulate the scene of Multi-Client Concurrency Access.
Step S206, installs and runs Iometer on a Windows client, as Console ends, this
Windows client is used as the terminal for configuring each Linux client computer IO mode, and the terminal for collecting test data.At each
Linux client computer is installed and runs Dynamo.
Step S207, performs to order " the IP ground of Dynamo i window clients in each Linux client computer
The IP address of location m the machine ", after performing this order, makes Windows client be associated with Linux client computer,
The Iometer allocation windows of Windows client see that each Linux client computer becomes a Manager, every
Individual Manager creates 1～4 Worker below, creates varying number here according to the scene difference of simulation is needed
Worker, the data of such as simulation process single thread are created that 1 Worker, simulate multithreading situation be created that it is multiple
Worker。
Step S208, Iometer are respectively configured each Worker of each Manager, need the item of configuration to have maximum simultaneously
Send out IO numbers asynchronous, IO Size, read-write ratio, random order ratio, by the different applied fields of the setting simulation of these parameters
Scape.Different Linux client computer can simulate different application scenarios respectively.
Step S209, after the completion of configuration, performs test in Windows client, and now, all of Linux client computer will
Perform the I/O operation for configuring just now simultaneously, the testing time is longer will to obtain more accurate data,
Step S210, obtains by checking the excel files of output result and corresponds to scene, accurately after being completed
IO performances.
A kind of IO performance test methods of SAN storage devices of the present invention, concurrently perform simulation in different Linux client computer
The I/O operation of practical application scene, to simulate the I O access of different practical application scenes, draws closer to actual IO performances
Test value, so that client flexibly accurately chooses the storage device with different qualities for different applications, provides for client
More accurately instruct.
Embodiment three：The IO performance testing devices of another kind SAN storage devices of the invention are as shown in figure 3, create including LUN
Module 31, testing tool installs module 32 and workload generator configuration module 33.Wherein order and the survey successively of LUN creation modules 31
Trial work tool installs module 32 and workload generator configuration module 33 connects.
LUN creation modules 31 are for creating multiple LUN in storage device, and carry tests client computer in multiple stage respectively；Survey
Trial work tool installs module 32 for installing IO performance testing tools in control client computer, the installation load life in test client computer
Grow up to be a useful person；Workload generator configuration module 33 is used to control client computer by IO performance testing tool configuration load makers, load
Maker performs corresponding I/O operation.
Example IV：The IO performance test methods of another kind SAN storage devices of the invention are as shown in figure 4, including following step
Suddenly：
Step S401, storage device create multiple LUN LUN, and carry tests client computer in multiple stage respectively；
Step S402, control client computer install IO performance testing tools, test client computer installation load maker；
Step S403, control client computer and test client computer are communicated；
Step S404, control client computer perform corresponding by IO performance testing tool configuration load makers, workload generator
I/O operation.
The present invention is concurrently accessed based on multi-client, can simulate the SAN storage devices of different application scene, so as to client's pin
The storage device of different qualities is chosen to different applications.
Illustrated above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of IO performance test methods of SAN storage devices, it is characterised in that comprise the following steps：
Storage device creates multiple LUN LUN, and carry tests client computer in multiple stage respectively；
Control client computer installs IO performance testing tools, tests client computer installation load maker；
Control client computer and test client computer are communicated；
Control client computer performs corresponding I/O operation by IO performance testing tool configuration load makers, workload generator.
2. IO performance test methods of SAN storage devices according to claim 1, it is characterised in that storage device is created
Multiple LUN, and carry, before multiple stage test client computer, is comprised the following steps respectively：
The memory space of storage device is discharged；
Re-create disk array RAID；
Storage pool is created, the RAID for having created is added in storage pool；
Multiple LUN are created in storage pool.
3. IO performance test methods of the SAN storage devices according to claims 1 or 2, it is characterised in that LUN's is big
The little twice for being storage device caching is to five times.
4. IO performance test methods of SAN storage devices according to claim 2, it is characterised in that re-create RAID,
Further include：According to all RAIDs of the different coverings of type that storage device is supported.
5. IO performance test methods of SAN storage devices according to claim 1, it is characterised in that the IO performances are surveyed
Trial work tool is based on Windows operating system.
6. IO performance test methods of SAN storage devices according to claim 5, it is characterised in that the control client
Machine adopts Windows operating system, is denoted as Windows client；The test client computer adopts (SuSE) Linux OS, is denoted as
Linux client computer.
7. IO performance test methods of SAN storage devices according to claim 1, it is characterised in that LUN is assisted using interface
Carry tests client computer in multiple stage to view respectively.
8. a kind of IO performance testing devices of SAN storage devices, it is characterised in that include：
LUN creation modules, for creating multiple LUN in storage device, and carry tests client computer in multiple stage respectively；
Testing tool installs module, for installing IO performance testing tools in control client computer, installs in test client computer
Workload generator；
Workload generator configuration module, for controlling client computer by IO performance testing tool configuration load makers, load life
Grow up to be a useful person and perform corresponding I/O operation.
9. IO performance testing devices of SAN storage devices according to claim 8, it is characterised in that also include：
RAID rebuilds module, for re-creating RAID.
10. IO performance testing devices of SAN storage devices according to claim 9, it is characterised in that also include：
Storage pool creation module, for creating storage pool, adds the RAID for having created in storage pool.
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